Twin turboprop

N121B

1972 Beechcraft King Air E90

Registered No accidents on file
Built
1972
Serial
LW-21
Class
Twin turboprop
Engines
2 × U/A Canada PT6A-27-28
Status
Current as of October 2026
Registered owner
Argo Aviation LLC (LLC)
Based
Potsdam, NY
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1972 Beechcraft King Air E90
Representative photo of a Beechcraft King Air E90. Not a photo of N121B.
Registration record

N121B on the FAA register

Type
1972 Beechcraft King Air E90 (FAA: Beechcraft E-90)
Serial
LW-21
Engines
2 × U/A Canada PT6A-27-28
Registered owner
Argo Aviation LLC
Potsdam, NY
Certificate issued
2013-12-10
Airworthiness date
1972-09-12
Registration expires
2029-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A05782
Mode S (octal)
50053602
Seats (type)
10
Weight class
up to 12,499 lb
Range (type)
1,468 nm
Cruise (type)
244 kt
Status
Current as of October 2026
Market asking range
$700,000 to $1,600,000
Middle half of 3 live Beechcraft King Air E90 listings, 1973–1979 models (median $1,050,000). Asking prices, not an appraisal of N121B.
Registry history

Timeline

  • 2029-12-31
    Registration expires (renewal due).
  • 2013-12-10
    Certificate of registration issued as N121B to the current registrant.
  • 1972-09-12
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1960-09-21
    N121B previously assigned to a Beechcraft D18S (s/n A-556); cancelled.
Overview

About N121B

N121B is a 1972 Beechcraft King Air E90 (FAA model E-90), serial number LW-21. The FAA register lists Argo Aviation LLC as the registrant in Potsdam, New York. The current certificate of registration was issued on December 10, 2013 and expires on December 31, 2029.

The FAA aircraft reference file describes the type as a twin turboprop, two U/A Canada PT6A-27-28 engines and 10 seats. Published figures for the type give a cruise speed of about 244 knots and a range of about 1,468 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated September 12, 1972.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N121B.

Cruise
244 kt
Range
1,468 nm
Takeoff over 50 ft
2,024 ft
Landing over 50 ft
3,584 ft
Fuel burn
82 gph

Published figures for the Beechcraft King Air E90 type. They describe the model, not this airframe's equipment or condition. Beechcraft King Air E90 specs, prices and for-sale inventory →

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N121B.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Similar aircraft

Other twin turboprops on the register

  • N189R1962 Beechcraft C-45H
  • N120HL1988 Embraer EMB-120ER
  • N400PS1979 Mitsubishi Solitaire
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Browse: Beechcraft aircraft for sale· Beechcraft King Air E90 overview· Aircraft registered in New York· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.